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Contract OI history

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Dec 18, 2026 EXPIRATION

CLS $340.00 Call

CLS261218C00340000

Latest saved OI138Oct 23, 2026
Last change+19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $340.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 138690 2026-10-02: 110 OI2026-10-05: 111 OI2026-10-06: 110 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 110 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-21: 119 OI2026-10-23: 138 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing138+19
Oct 21, 2026119+2
Oct 16, 20261170
Oct 15, 2026117+1
Oct 14, 20261160
Oct 13, 2026116+6
Oct 09, 20261100
Oct 08, 20261100
Oct 07, 20261100
Oct 06, 2026110-1
Oct 05, 2026111+1
Oct 02, 2026110No prior observation